90812964 has 24 divisors (see below), whose sum is σ = 231160608. Its totient is φ = 27519040.

The previous prime is 90812921. The next prime is 90812983. The reversal of 90812964 is 46921809.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343857 + ... + 344120.

It is an arithmetic number, because the mean of its divisors is an integer number (9631692).

Almost surely, 2^90812964 is an apocalyptic number.

It is an amenable number.

90812964 is an abundant number, since it is smaller than the sum of its proper divisors (140347644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90812964 is a wasteful number, since it uses less digits than its factorization.

90812964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687995 (or 687993 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 90812964 is about 9529.5836215440. The cubic root of 90812964 is about 449.4857730970.

The spelling of 90812964 in words is "ninety million, eight hundred twelve thousand, nine hundred sixty-four".